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Round|Lab Grown|IGI

8.19ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG819645758

Shape and cutting style on the report: Round brilliant

Certificate IGI LG819645758

Diamond specifications and retailer prices

From £1,039 GBP
$1,392 USD
As of October 30, 2026
Save £1,696 GBP (62%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £5,993 GBP at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 8.19ct lab-grown round diamond

This 8.19ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG819645758 or 819645758. Listed at 6 retailers as of October 30, 2026, with a 163% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

8.19
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819645758
Dimensions12.70 × 12.79 × 8.09 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.70 mm12.79 mm8.19 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819645758
Side View
Table 55.0%Crown 36.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £5,993 GBP|Low: £1,039 GBP|High: £5,993 GBP|Avg: £2,374 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2£1,039 GBP
Retailer 6£1,396 GBP
Retailer 7£1,504 GBP
Retailer 3£1,605 GBP
Retailer 4£2,525 GBP
Retailer 5£2,735 GBP
Brilliant Earth£5,993 GBP

19 data points across 7 retailers

6 retailers£1,039 GBP to £2,735 GBP

A
Cheapest Retailer
-
£1,039 GBP
$1,392 USD
Final sale: no returns
B+
Retailer 2
-
£1,396 GBP
$1,870 USD
View
A
Retailer 3
-
£1,605 GBP
$2,150 USD
View
B+
Retailer 4
-
£2,525 GBP
$3,384 USD
View
B+
Retailer 5
-
£2,735 GBP
$3,665 USD
View
Most Expensive
Brilliant Earth
21235988A · Oct 8
£5,993 GBP
$8,030 USD
View
Price last confirmed 23 days ago
5 more retailers have this diamond
Prices start from £1,039 GBPSave up to £1,696 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
8.19ct Round
£1,039 GBP